Will give brainliest to correct answer what change would most likely decrease the competition for food among a chipmunk population in an ecosystem? a. a rare epidemic among the chipmunks. b. a decrease in the number of chipmunks killed by falling out of trees. c. a decrease in the number of hawks that prey on chipmunks. d. an increase in the chipmunk's reproduction rate. is it c

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.

How many chromosomes are in a human gamete?